Author details

Fernando Vaca-Urbano\*, Manuel S. Alvarez-Alvarado, Angel A. Recalde and Félix Moncayo-Rea ESPOL Polytechnic University, Escuela Superior Politécnica del Litoral ESPOL, Facultad de Ingeniería en Electricidad y Computación, Guayaquil, Ecuador

\*Address all correspondence to: fearvaca@espol.edu.ec

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